Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | #ifndef _ASM_LOCAL_H |
2 | #define _ASM_LOCAL_H | |
3 | ||
4 | #include <linux/config.h> | |
5 | #include <linux/percpu.h> | |
6 | #include <asm/atomic.h> | |
7 | ||
8 | #ifndef __s390x__ | |
9 | ||
10 | typedef atomic_t local_t; | |
11 | ||
12 | #define LOCAL_INIT(i) ATOMIC_INIT(i) | |
13 | #define local_read(v) atomic_read(v) | |
14 | #define local_set(v,i) atomic_set(v,i) | |
15 | ||
16 | #define local_inc(v) atomic_inc(v) | |
17 | #define local_dec(v) atomic_dec(v) | |
18 | #define local_add(i, v) atomic_add(i, v) | |
19 | #define local_sub(i, v) atomic_sub(i, v) | |
20 | ||
21 | #else | |
22 | ||
23 | typedef atomic64_t local_t; | |
24 | ||
25 | #define LOCAL_INIT(i) ATOMIC64_INIT(i) | |
26 | #define local_read(v) atomic64_read(v) | |
27 | #define local_set(v,i) atomic64_set(v,i) | |
28 | ||
29 | #define local_inc(v) atomic64_inc(v) | |
30 | #define local_dec(v) atomic64_dec(v) | |
31 | #define local_add(i, v) atomic64_add(i, v) | |
32 | #define local_sub(i, v) atomic64_sub(i, v) | |
33 | ||
34 | #endif | |
35 | ||
36 | #define __local_inc(v) ((v)->counter++) | |
37 | #define __local_dec(v) ((v)->counter--) | |
38 | #define __local_add(i,v) ((v)->counter+=(i)) | |
39 | #define __local_sub(i,v) ((v)->counter-=(i)) | |
40 | ||
41 | /* | |
42 | * Use these for per-cpu local_t variables: on some archs they are | |
43 | * much more efficient than these naive implementations. Note they take | |
44 | * a variable, not an address. | |
45 | */ | |
46 | #define cpu_local_read(v) local_read(&__get_cpu_var(v)) | |
47 | #define cpu_local_set(v, i) local_set(&__get_cpu_var(v), (i)) | |
48 | ||
49 | #define cpu_local_inc(v) local_inc(&__get_cpu_var(v)) | |
50 | #define cpu_local_dec(v) local_dec(&__get_cpu_var(v)) | |
51 | #define cpu_local_add(i, v) local_add((i), &__get_cpu_var(v)) | |
52 | #define cpu_local_sub(i, v) local_sub((i), &__get_cpu_var(v)) | |
53 | ||
54 | #define __cpu_local_inc(v) __local_inc(&__get_cpu_var(v)) | |
55 | #define __cpu_local_dec(v) __local_dec(&__get_cpu_var(v)) | |
56 | #define __cpu_local_add(i, v) __local_add((i), &__get_cpu_var(v)) | |
57 | #define __cpu_local_sub(i, v) __local_sub((i), &__get_cpu_var(v)) | |
58 | ||
59 | #endif /* _ASM_LOCAL_H */ |